package utils

// ProcessChartData processes chart data with language source data to produce the result based on the language key.
func ProcessChartData(chartData []map[string]interface{}, languageSource []map[string]interface{}, langKey string) []map[string]interface{} {
	// Helper function to find translation
	findTranslation := func(key string, value string) string {
		for _, langEntry := range languageSource {
			if langEntry["key"] == key && langEntry["value"] == value {
				if translatedValue, ok := langEntry[langKey]; ok {
					return translatedValue.(string)
				}
			}
		}
		return value // Return the original value if no translation is found
	}

	// Extract unique translation keys from languageSource
	translationKeys := map[string]bool{}
	for _, langEntry := range languageSource {
		if key, ok := langEntry["key"].(string); ok {
			translationKeys[key] = true
		}
	}

	// Process each chart data entry
	result := []map[string]interface{}{}
	for _, entry := range chartData {
		obsKey := entry["ObsKey"].(map[string]interface{})
		translatedObsKey := map[string]interface{}{}

		// Translate fields in ObsKey dynamically based on extracted translation keys
		for key, value := range obsKey {
			if translationKeys[key] {
				translatedObsKey[key] = findTranslation(key, value.(string))
			} else {
				translatedObsKey[key] = value
			}
		}

		// Append the translated entry to the result
		result = append(result, map[string]interface{}{
			"ObsKey":   translatedObsKey,
			"ObsValue": entry["ObsValue"],
		})
	}

	return result
}